EP3555950A1 - Procede de fabrication d'un objet electronique comprenant un corps et une batterie a membrane poreuse - Google Patents
Procede de fabrication d'un objet electronique comprenant un corps et une batterie a membrane poreuseInfo
- Publication number
- EP3555950A1 EP3555950A1 EP17807832.5A EP17807832A EP3555950A1 EP 3555950 A1 EP3555950 A1 EP 3555950A1 EP 17807832 A EP17807832 A EP 17807832A EP 3555950 A1 EP3555950 A1 EP 3555950A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- porous
- battery
- oxygen
- conduit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0702—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1097—Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
- G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
- G06K19/07705—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual the visual interface being a single light or small number of lights capable of being switched on or off, e.g. a series of LEDs
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
- G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
- G06K19/07707—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual the visual interface being a display, e.g. LCD or electronic ink
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
- G06K19/07732—Physical layout of the record carrier the record carrier having a housing or construction similar to well-known portable memory devices, such as SD cards, USB or memory sticks
Definitions
- the invention relates to a method for manufacturing a portable electronic chip object comprising a body and a battery integrated into the body.
- the invention relates to the integration into a portable object of a battery comprising a layer of electrolyte covered with a porous protection membrane in the air (or other gas).
- the battery is preferably of the metal-air type. It can also relate to other batteries such as fuel cells.
- the portable objects concerned by the invention may include, in particular, smart cards, passports, mobile phones, RFID tags, M2M-type communicating devices, items to be worn such as watches, bracelets, belts, or any portable object having a different form factor than the one above.
- Portable battery objects especially active smart cards, require more and more energy to include new functions (or components) including a display, new sensors (fingerprint, contactless interfaces, amplifier, sensor, booster, generator cryptographic calculator, single-use number generator (OTP)).
- new sensors fingerprint, contactless interfaces, amplifier, sensor, booster, generator cryptographic calculator, single-use number generator (OTP)
- Li-ion batteries exist, but their limited capacity has the drawback of shortening the lifetime of the portable object and the applications that are integrated therein.
- Display smart cards are known which include fine batteries necessarily placed at the heart of the plastic layers forming the smart card body.
- the batteries are for example fully embedded (or coated with resin or sealed plastic layers) especially for problems of reliability and visual map over its lifetime.
- WO 01/26175 A1 discloses a hearing aid device comprising a power source.
- the device comprises a metal-air battery having an anode and a cathode; a filler material disposed between the anode and the cathode which supports ion exchange; and a housing formed by at least a portion of the hearing aid device for retaining the filling material of the metal-air cell.
- the housing includes an orifice for allowing air passage to activate the metal-air cell.
- WO 2015/158915 A1 describes a method of manufacturing a chip card comprising an integrated battery and a display in a cavity.
- US 2010/255385 A1 discloses a mobile electronic device, comprising a power supply configured to generate energy using oxygen, an air inlet for supplying air to said supply, a sensor configured to detect at least one predetermined gas in the air and a mechanism shutting off the air inlet if said sensor detects said predetermined gas.
- the present invention aims to solve the problems mentioned above.
- the present invention describes structural and / or manufacturing solutions for integrating such new batteries into portable objects on an industrial scale.
- the inventors have noticed that the above batteries can not be integrated into the portable objects in the same way as the current smart cards for smart cards.
- the inventors have noticed that these batteries that they covet for their portable host objects require an air vent of the battery to allow the oxygen to reach it.
- the invention firstly relates to a method of manufacturing a portable electronic chip object comprising a metal-air body and battery integrated in the body, said battery comprising a metal positive electrode, an electrolyte layer. and one or more porous air barrier membranes covering the electrolyte.
- the method comprises at least forming a supply duct (or supply) of air extending from the membrane to an air source;
- the method is characterized in that a porous material in air is placed in said conduit and completely closes said conduit on its path at least in some places.
- the porous or oxygen permeable material is also impermeable to water.
- the conduit is formed by a second air porous material distinct from a first porous membrane formed by one of the battery membranes.
- the second porous material may be of the same nature as the material of one of the membranes of the battery.
- the body comprises a cavity opening on the surface and a chip module is placed in the cavity, said battery being placed under the module, the conduit being arranged (or arranged) in a space between a wall of the cavity and a peripheral surface module (especially around the battery or chip with or without its coating resin, if the module has a chip);
- the module comprises a porous support film in the air and / or perforated metallizations;
- the duct can extend through the module, up to the modulus or to the contact pads of the module;
- the conduit comprises a layer of porous material extending parallel to one of the main surfaces of the body;
- the conduit comprises a layer of porous material extending perpendicularly to a main surface of the body;
- the conduit is in the form of cylinder, ring, plate, capillaries
- the porous material comprises an end or an area placed against the membrane of the battery;
- the porous material is chosen from an impermeable and breathable fabric based on poly tetrafluoroethylene, glass fiber coated with poly tetrafluoroethylene, or with polymer paper, or a sheet of PC, PVC, PET, epoxy, micro-perforated locally or totally.
- the material can be hybrid; It may comprise a flexible portion and a more rigid portion made of (or comprising) porous ceramic or ionic conductor made of zirconia or porous silicon or alternatively of an oxygen-permeable material such as a membrane of silicone or zeolite type.
- the invention also relates to a portable object corresponding to the method. According to other characteristics:
- the porous material is hydrophobic or impermeable to water.
- the porous material is in the form of a layer extending substantially over the entire surface of the card inside or on the surface.
- the material is permeable to gas (in particular to oxygen).
- FIG. 1 illustrates a view from above of an electronic object in the form of a smart card according to a first embodiment of the invention
- FIG. 3 illustrates a view from above of an electronic object in the form of a smart card according to a second embodiment of the invention
- FIG. 5A illustrates a view from above of an electronic object in the form of a smart card according to a third embodiment of the invention
- FIG. 5B illustrates different configurations of the porous material
- Figure 6 illustrates a sectional view of Figure 5A
- FIG. 7 illustrates a view from above of an electronic object in the form of a smart card (or other) according to a fourth preferred embodiment of the invention in which the battery is inserted in an object cavity;
- FIG. 9 illustrates a sectional view of an assembly of the module according to the preceding mode
- FIG. 11 illustrates the battery 2 of the previous figure configured for a cavity
- FIG. 12 illustrates an adhesive film for fixing the module
- FIG. 13 illustrates the transfer of the module into the cavity. Description.
- FIG. 1 is illustrated an electronic object 8 (in the form of a smart card) obtained according to a first embodiment of the manufacturing method of the invention.
- the portable object 8 with an electronic chip comprises a body 1 and a battery 2 of the metal-air type integrated into the body (the body may be PVC);
- the battery 2 comprises an electrolyte layer inside with two electrodes and a protective membrane porous to the air covering the electrolyte and opening on the surface here on a main surface.
- the battery can be obtained for example according to one of the abovementioned patent applications (FR 1558851) and (FR 1558852).
- the battery is in the form of a thin, flat multilayer structure with a substantially rectangular surface that can represent about a quarter or one eighth of the surface of a standard ID1 chip card. It is preferably about 21 mm long and 20 mm wide and about 400 ⁇ m thick. It provides a voltage of 3V and a quantity of energy of at least 30 m A / h at 200 m A / h according to its dimensions.
- a metal-air battery associates a positive electrode made of a metallic material (Zn, Al, Li ...) and a negative electrode with air or with oxygen.
- An electrolyte or several electrolytes can dissolve the metal ions as well as transport the metal ions from the positive electrode to the negative electrode during the discharge and reverse if there is possible recharge.
- the negative electrode is the place of reactions and formation of M-O2 / M2-O2 / M2-O type compounds ...
- electrolyte aqueous, aprotic, solid, polymer .
- membranes protect the surface of the metal to exclude a violent reaction thereof with oxygen or H2O.
- the location of the negative electrode is a porous material with the greatest possible surface area to both allow the entry of oxygen or air as well as the physical support of the M-O2 reaction products.
- M2-O2 / M2-O The electrical voltages obtained in the case of a L1O2 battery are of the order of 3V.
- a battery of the Li-Air type can also be in the portable object 8.
- a Li-Air battery is at the intersection between a lithium battery and a fuel cell.
- the heart of a fuel cell consists of three elements including two electrodes: a positive electrode (anode) oxidizing (emitting electrons), a negative electrode (cathode) reducing (electron collector) and an electrolyte separating the electrodes.
- Feeding is by continuous injection of fuel at the anode, usually hydrogen, and at the cathode, usually the dioxygen of the air or the air itself. Continuous electric energy is then available at the terminals of the battery.
- the hydrogen may be stored in a porous hydrogenated material such as porous silicon (WO2004091026A2 / FR2858313A1)) or as proposed by FEMTO-ST.
- the battery 2 is housed substantially in the heart of the smart card especially at the level of the neutral fiber.
- the card body 1 is here obtained by cold laminating by superposition of a base plastic sheet having a peripheral rim or plastic frame inside which is placed the battery and, if appropriate, a flexible electronic circuit to which is connected battery.
- the method may therefore include a positioning in the plastic frame of the entire electrical / electronic circuit formed battery and electronic circuitry (may include any component generally used in the chip card industry.
- the circuit may include an 18th display screen, a keyboard or buttons 18b, a flexible printed circuit 18p); It may comprise a radio frequency antenna, a quartz, a clock, a microprocessor or microcontroller chip or other component, an OTP generator, a cryptographic generator, one or more mass memories, a fingerprint sensor, a photodiode, etc. (not shown)
- the battery can be connected in a conventional manner to one of the aforementioned electronic / electrical elements.
- thermoplastic resin is poured over the assembly and a cover sheet 1b is placed on top of it before being subjected to hot or cold lamination (or pressing) of the structural assembly of the object thus formed ( with the sheets) to have the desired thickness including 0.76 mm.
- the body 1 can be obtained by injection of material around the above electrical / electronic assembly after the latter is placed in a mold or other shapes corresponding to the dimensions of the card body.
- the card 8 may comprise a chip module 20 of chip type with electrical contacts (or metallizations) 25 or contactless.
- the object comprises a step of forming at least one air or oxygen supply duct 3 extending from the membrane 3m to a source of air.
- the air source is outside the body. It is constituted by the surrounding atmospheric air.
- An air-permeable material 3c is placed in said duct and completely closes said duct on its path at least in places so as to avoid water ingress.
- the conduit may comprise a wall / tube whose wall has a certain thickness; It can include a material porous or simply no material inside.
- the conduit may not comprise a tube but simply be constituted by the porous material or the space occupying the volume of the tube.
- the body may comprise a notch or a well 6 in the form of a perforation, in particular a cylindrical opening, opening on one of the surfaces of the body perpendicular to the main surface, or perpendicular to a surface of the wafer 5. This is so as to place a stopper airtight so as to shut off the air supply and preserve the battery.
- This plug may be a repositionable system or not, sticky and the shape of the cavity, or flexible and covering the cavity.
- the well can be connected to the duct.
- the battery is placed in the card body so as to have the porous membrane 3m of overlap (at least partial) of the electrolyte oriented towards the upper side of the card (or the body) (visible at the first plane in Figure 1) or for Figure 2 in the Y direction as 0, X, Y.
- the method may comprise a step of placing a layer 3f (or at least one cord 3c of a porous material in air against at least a portion of the outer surface of the porous membrane covering 2m of the battery 2.
- the porous material may be placed prior to formation of the body in particular before placing an adhesive resin on the electrical / electronic assembly and the cover sheet.
- the porous material 3c, 3f is positioned to extend to an outer surface of the body located here on a side edge 5 of the body.
- the structure 8 comprises or defines a conduit 3 obtained by overmoulding the porous material with resin and / or the covering plastic sheet 1b of the body 1.
- the porosity of the material is such that the resin does not penetrate the material porous (or very slightly superficially) even under the effect of lamination pressure.
- porous material in the air is thus placed in said duct formed by overmoulding or machining and completely closes the duct throughout its path or in large majority.
- the porous material may be placed at one of the ends of the duct, in particular at the mouth).
- the body After lamination, the body can be cut into the final format of the card so as to have a clean slice.
- the porous material which may protrude from the final periphery of the card may also be cut.
- the body has here fig. 1 of the porous material 3c which opens on the edge 5 of the card.
- the method may comprise forming one or more wells extending from the porous material to an outer surface of the board.
- the method provides a machining (drilling) of a well 6 (or notch) at the lateral edge of the card body on half of its thickness until reaching the material 3c porous air.
- the porous material 3c thus opens as well on the side of the upper main surface as on the edge 5 of the lateral edge of the card.
- the axis of the perforation of the notch may be substantially centered on the boundary or peripheral edge of the card.
- the width of the notch may for example be ⁇ , 500 ⁇ 1 mm, 2 or 3 mm.
- a series of small holes smaller than 1mm can also be made perpendicular to the surface of the card and create a passage of air to the porous material.
- holes may include a sealing member (plug) permeable or porous air (or other gas).
- This breathable element may not be permeable to water.
- plugs or membranes element shutter complement impervious to air (or gas).
- the body can receive a decoration sheet R or finish (shown only in Fig. 2) and covering the notch (or notch) 6.
- the method may provide for forming an air pocket over at least a portion of the battery cover membrane.
- a capsule or a plastic cap is placed on the membrane before dispensing adhesive resin on and around the capsule.
- the method may provide for arranging / arranging a conduit by machining the body from the outer surface of the body until reaching the air pocket.
- the piercing may be lateral parallel to the plane of the card from the edge of the card 5 or it may be perpendicular to the main surface of the card body.
- the duct thus formed may be at least partially filled with a porous material in air.
- a porous material in air.
- This material thus forms a lid or a porous wall, in particular a cylindrical wall of small thickness (eg 2 - 5 mm).
- the body 1 comprises two portions of porous material (or material) 3p distributed at two opposite lateral ends of the battery.
- the material extends over the entire width of the battery.
- the material here has a form of plate or parallelepiped block.
- the shape can be any particular in the form of cylindrical stick 3c, or square section rod.
- the method can use two air pockets or rectangular hollow capsules arranged 3p on the surface of the porous membrane of the battery including two opposite lateral ends. The process operates substantially as before by a resin coating and then a cover sheet 1b before lamination and pressing.
- the body 1 can be entirely molded. Elements (in particular) permeable to air 3c, 3t or 3p being positioned against the membrane like cores around which flows a molding resin.
- the method provides for updating the capsules by machining from the outer surface of the card body. Then, the method provides as previously to fill the cavities thus released by the porous material to the dimensions corresponding to those of the cavities.
- the porous material can be fixed by gluing on the vertical walls of the cavity.
- the method may provide for rolling a porous cover sheet 3f (same or similar to that of Figure 3) over the entire surface of the board.
- An adhesive 15 preferably having openings facing the elements 3p, 3c, 3p
- the adhesive is a hot melt grid, in particular polyurethane.
- the sections of porous material are not sealed by the adhesive sheet and allow an air inlet via the sheet 3f.
- the card may comprise a sheet or film of R final decoration or protection. It may comprise a perforated adhesive or not such as the film 15 for fixing the outer sheet on the porous layer 3f.
- the structure allows a supply of air through the thickness of the sheet of porous material 3f opening at least on slices 5 (or edge) of the card.
- This air collected on the wafer can reach the two zones (or wells) rectangular 3p, 3c, 3t and supply the battery.
- the method may provide such a grid (or equivalent such as ridges, beads, adhesive, grid) above and / or below a layer 3f.
- the grid may be placed in particular between the membrane 3m (or both surfaces of the battery) and a sheet (la) placed above so as to avoid delamination (by lack of connection) if the surface of the membrane is too important .
- the layer 3f may be perforated over its entire surface to allow adhesion particularly between the layers 1a and 1b.
- Figures 3 and 4 illustrate an embodiment close to the first in which the cord 3c is replaced by a layer of porous material 3f covering at least a portion but preferably the entire outer surface of the membrane 2m of the battery 2.
- the sheet 3f preferably extends to one of the lateral edges of the card.
- the leaf extends to all edges of the body.
- the method may provide steps similar or identical to those described in relation to the first mode, unlike the cord form factor 3c with respect to a layer 3f preferably covering the entire membrane.
- Figures 7 and 8 illustrate a preferred embodiment of the method comprising a step of forming a cavity 19, 21 opening on the surface of an object body.
- the battery can for example lead into the cavity or be placed in the cavity 21, 22 by an inserting operation.
- the cavity 19, 21 receives an electronic module (electrical contact module with or without an integrated circuit chip, contactless or hybrid, any display including a watch or connected object, keyboard, sensor or other circuit 20w ).
- the periphery of this circuit module 20, 20w is substantially smaller than that of the periphery of the cavity 19, 21, 31 so as to arrange / arrange a peripheral space of supply (or supply) of air extending from the outside of the card body (at the level of the module) to the membrane of the battery placed or opening into the cavity.
- the air intake can pass through the module or at least the contact pads or a perforated support film supporting in particular electrical contact pads or an antenna.
- the body comprises a printed circuit 18p with components (not shown).
- the circuit 18p comprises tracks or interconnection pads 22 at the bottom of the cavity and contact 23 on the wall perpendicular to that of the bottom).
- the battery includes corresponding tracks or track 28, 28 respectively 27 under the battery and 28 on a side edge of the battery) (Figs 7 and 11)
- this gap (between module and cavity wall) can be filled with porous material 3a preferably up to the surface of the card body or up to the module.
- the porous material is in the form of a ring or ring 3a and can be placed around the resin of the module or placed in the cavity as written later.
- the method may provide for depositing in the cavity, first the battery whose surface is substantially of the same order of magnitude as that of the module (for example, 10 X 15 mm 2 or 8 X 20 mm 2 or 10 x 25 mm 2). The method may then provide for placing the module 20 provided on the membrane.
- the air can be brought to the periphery of the module 20 thanks to a peripheral space filled with porous material 3C in the air.
- the periphery may be constituted in part by that of the coating 29 of the integrated circuit chip inside the module. If necessary, the chip of the module can be flipped up (flip-chip) so as to gain in thickness.
- the invention can provide a module thickness of 150 ⁇ and a battery thickness of 400 ⁇ .
- the ring 3a can be placed author of the chip mounted in flip chip and with no or little coating material 29.
- the chip of the module can be flipped up (flip-chip) so as to gain in thickness.
- the electronic chip can be deported in a circuit 18p placed in the body of the object to gain thickness.
- the method may provide for connecting the electronic / electrical circuit 18p to the battery 2 by placing interconnection pads of the battery 27, 28 opposite those of the circuit 22, 23 during the transfer to the cavity of the one and / or or the other.
- the connection can be made using adhesive electrical conductive material including anisotropic (liquid or solid: ACF / ACP) or simply by electrical contact or solder paste.
- the large capacitance of the battery makes it possible to reduce its surface area to the extent that it can be housed in the card body by an inserting operation such as a smart card module via the cavity of an electronic / electrical module.
- the module 20 may include interconnection pads extending from the chip to the resin 26, in particular through the resin 26.
- the battery may have interconnect pads extending in particular over the membrane 3m so as to be located next to the interconnect pads of the module and allow a connection during the 1 'assembly.
- the contact pads 25 of the module can be replaced by a radiofrequency antenna to have contactless communication rather than electrical contacts.
- the perforated insulating film 25 can support below and / or above a radiofrequency antenna, especially a spiral antenna, for radiofrequency communication.
- the method may provide to postpone the battery via a cavity opening on the surface of an object body so that it comes to connect a printed electronic circuit 18p previously introduced to the heart of the card (or other circuit).
- the connection to a printed electronic circuit contained in the object can be made by adhesive conductive material or solder paste as referred to above.
- the interconnect pads may have been revealed by machining the cavity.
- the method can provide for filling the cavity with porous material to the surface of the object so as to allow an air supply of the battery.
- the method may provide for covering the object 8 with a porous sheet 3f or with a sheet comprising porosities or micro-perforations located above the cavity containing the battery or facing the wells reaching the membrane porous battery.
- the invention can provide any porous material, air or oxygen or oxygen ion conductor or having an oxygen permeability.
- the material is not porous with water or moisture. It is waterproof. It may be in the form of felt, fibers, woven or nonwoven fabric (or fabric), fiber layer. It may include, for example, fabric of the Gore-Tex TM brand. It may be based on polytetrafluoroethylene (Teflon), fabric having undergone a waterproofing treatment but remaining porous in air or a mixture of glass fiber and polytetrafluoroethylene, zeolite, a mixture of nano fiber of TiO 2, elements consisting of Y203 stabilized ZrO 2, porous silicon, dimethylsilicone or other silicone type layer.
- the material may have a defined permeability with respect to this gas.
- air or oxygen may be substituted with another gaseous fuel (eg, hydrogen) depending on the nature or type of battery concerned. This also applies to materials whose porosity or permeability is defined with respect to a gaseous fuel.
- porous channels, cannulae or capillaries may be arranged perpendicular to the main surface of the lens.
- Figures 9 - 13 illustrate a preferred embodiment of the method of manufacturing a smart card containing the metal battery air 2.
- the contact module is made with open-ended contact areas 24 (or metallizations) with perforations or recesses 26 completely passing through the metallizations 24. These perforations can be located only in view of the wells or areas of porous material 3a. placed below.
- the porous material 3a is annular and is placed in step B1 around the encapsulating resin 29 of the module chip and some of its electrical connections.
- the porous material has a shape corresponding to the shape of the cavity that receives it. Here, it has a substantially rectangular section.
- the module may or may not have a dielectric carrier film 25.
- the pads may have been precut rather than etched on the carrier film 25.
- the ring is introduced into the cavity before the transfer of the module, the battery having been placed beforehand.
- step C the battery is fixed against the central portion of the module on the resin in particular with a point of glue.
- the battery has substantially the same section as the porous ring 3a.
- circuit 18p could lead into cavity by machining the cavity and disengagement of the ranges (or born of interconnections 22, 23.
- ACF anisotropic
- the method also provides for placing an adhesive film 30 on the plane 21 of the upper cavity 31 to secure the module to the body 1.
- the film may comprise radial grooves from the center towards the outside to allow an air inlet from the space corresponding to the clearance between the module and the upper cavity 31.
- the adhesive may comprise glue points sized so as to leave after pressing, one or spaces (s) or air duct (s) adjacent (s) to the plane 21 and under the module.
- this adhesive may be an adhesive film which may be pre-cut (punched) depending on the size (or section) of the channels (or recesses) sought.
- step E the method provides for advantageously returning in a single operation the assembly comprising, the module, the porous or permeable material and the battery and effector at the same time the connection of the battery circuit 18p.
- the invention applies to the manufacture of electrical / electronic objects comprising a battery inserted into the object and having an air supply extending from the battery to a source of air or oxygen.
- a battery inserted into the object and having an air supply extending from the battery to a source of air or oxygen.
- an electronic circuit (display, fingerprint sensor, etc.) from the outside of the object.
- the object can be a connected watch, a bracelet with radio frequency transponder, a passport, a mobile phone, a computer, an autonomous M2M module or any other object .
- the invention also provides a duct sealing film on the module or at least on the air openings so as to close them and thus increase the life of the battery.
- the film can be repositionable type adhesive with a gripping tab.
- the invention may provide means for closing the supply of air or oxygen to close the duct inside the object. They may include a check valve including non-return action from the outside, including a mechanical switch or micro electric or piezoelectric.
Landscapes
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Hybrid Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16306715.0A EP3336961A1 (fr) | 2016-12-16 | 2016-12-16 | Procede de fabrication d'un objet electronique comprenant un corps et une batterie a membrane poreuse |
| PCT/EP2017/080718 WO2018108521A1 (fr) | 2016-12-16 | 2017-11-28 | Procede de fabrication d'un objet electronique comprenant un corps et une batterie a membrane poreuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3555950A1 true EP3555950A1 (fr) | 2019-10-23 |
| EP3555950B1 EP3555950B1 (fr) | 2021-05-26 |
Family
ID=57794091
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16306715.0A Withdrawn EP3336961A1 (fr) | 2016-12-16 | 2016-12-16 | Procede de fabrication d'un objet electronique comprenant un corps et une batterie a membrane poreuse |
| EP17807832.5A Active EP3555950B1 (fr) | 2016-12-16 | 2017-11-28 | Procede de fabrication d'un objet electronique comprenant un corps et une batterie a membrane poreuse |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16306715.0A Withdrawn EP3336961A1 (fr) | 2016-12-16 | 2016-12-16 | Procede de fabrication d'un objet electronique comprenant un corps et une batterie a membrane poreuse |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11456491B2 (fr) |
| EP (2) | EP3336961A1 (fr) |
| WO (1) | WO2018108521A1 (fr) |
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| US3478741A (en) | 1967-03-30 | 1969-11-18 | Ion Co The | Toothbrush for producing electrical potentials |
| FR1558851A (fr) | 1967-10-04 | 1969-02-28 | ||
| US4118544A (en) * | 1977-09-28 | 1978-10-03 | P.R. Mallory & Co. Inc. | Metal-air depolarized cell having restricted gas passageway |
| JPS5893862U (ja) * | 1981-12-21 | 1983-06-25 | 日本特殊陶業株式会社 | 酸素センサ |
| JP2567149B2 (ja) * | 1990-11-30 | 1996-12-25 | 日本電気株式会社 | 腕時計型個別呼出用受信機 |
| JPH08327760A (ja) * | 1995-01-13 | 1996-12-13 | Seiko Epson Corp | 携帯用無線装置 |
| GB9625464D0 (en) * | 1996-12-07 | 1997-01-22 | Central Research Lab Ltd | Gas sensor |
| WO1998047191A1 (fr) * | 1997-04-14 | 1998-10-22 | Timex Corp. | Contenant pour dispositif electrique utilisant une pile metal-air |
| US20040247969A1 (en) * | 1998-08-31 | 2004-12-09 | Faris Sadeg M. | System and method for producing electrical power using metal-air fuel cell battery technology |
| WO2001026175A1 (fr) * | 1999-10-06 | 2001-04-12 | Sarnoff Corporation | Dispositif a batterie metal-air |
| JP4042101B2 (ja) * | 2001-07-06 | 2008-02-06 | ソニー株式会社 | 燃料電池および燃料電池を用いた電力供給方法 |
| WO2004091026A2 (fr) | 2003-04-04 | 2004-10-21 | Sagem Sa | Micropiles a combustible destinees particulierement aux dispositif electroniques portables et aux dispositifs de telecommunications |
| US20040197613A1 (en) * | 2003-04-04 | 2004-10-07 | Patrick Curlier | Microfuel cells for use particularly in portable electronic devices and telecommunications devices |
| JP2004362869A (ja) * | 2003-06-03 | 2004-12-24 | Matsushita Electric Ind Co Ltd | 金属−空気電池用ケース、金属−空気電池、および、金属−空気電池を用いる携帯用電子機器 |
| FR2858313B1 (fr) | 2003-07-28 | 2005-12-16 | Centre Nat Rech Scient | Reservoir d'hydrogene a base de nano-structures de silicium |
| JP4716658B2 (ja) * | 2004-02-02 | 2011-07-06 | 三菱鉛筆株式会社 | 直接メタノール型燃料電池 |
| JP2007095438A (ja) * | 2005-09-28 | 2007-04-12 | Hitachi Ltd | 燃料電池 |
| JP5135780B2 (ja) * | 2005-12-05 | 2013-02-06 | 日本電気株式会社 | 電子デバイス |
| TW201027825A (en) * | 2009-01-05 | 2010-07-16 | High Tech Battery Inc | Low pressure mould packaging structure of a fuel cell |
| US20100255385A1 (en) * | 2009-04-03 | 2010-10-07 | Sony Ericsson Mobile Communications Ab | Mobile electronic device with air inlet |
| EP2449620B1 (fr) | 2009-07-01 | 2013-05-29 | Eveready Battery Company, Inc. | Batterie ayant un gestionnaire d'air avec une soupape à plaque mobile |
| US20110033769A1 (en) * | 2009-08-10 | 2011-02-10 | Kevin Huang | Electrical Storage Device Including Oxide-ion Battery Cell Bank and Module Configurations |
| US20120129058A1 (en) * | 2010-11-24 | 2012-05-24 | Litzinger Kevin P | Electrical Energy Storage Device |
| US20140106242A1 (en) * | 2012-10-15 | 2014-04-17 | Charles R. Osborne | Oxygen plenum configurations of components in low cost planar rechargeable oxide-ion battery (rob) cells and stacks |
| EP2933759A1 (fr) | 2014-04-18 | 2015-10-21 | Gemalto SA | Procédé de fabrication d'un dispositif à circuit électronique/électrique |
| KR102458688B1 (ko) * | 2014-09-24 | 2022-10-24 | 닛토덴코 가부시키가이샤 | 고분자 필름, 방수 통음 막, 방수 통음 부재, 전자 기기, 전자 기기용 케이스, 방수 통음 구조, 방수 통기 막, 방수 통기 부재, 방수 통기 구조, 흡착용 시트, 흡착 유닛에의 작업 대상물의 흡착 방법, 세라믹 콘덴서의 제조 방법, 광학 필름, 광학 부재 및 조성물 |
| CN107408744B (zh) * | 2014-12-14 | 2021-06-29 | 伊利诺伊大学董事会 | 用于先进的金属-空气蓄电池的催化剂体系 |
| US10664020B2 (en) * | 2015-04-23 | 2020-05-26 | Semiconductor Energy Laboratory Co., Ltd. | Electronic device |
| CN205081193U (zh) * | 2015-09-23 | 2016-03-09 | 冶廷忠 | 一种锌空气燃料电池 |
| CN214088379U (zh) * | 2020-12-29 | 2021-08-31 | 深圳市安达莲花科技有限公司 | 一种基于对讲机电池内气压平衡的防水透气膜 |
-
2016
- 2016-12-16 EP EP16306715.0A patent/EP3336961A1/fr not_active Withdrawn
-
2017
- 2017-11-28 WO PCT/EP2017/080718 patent/WO2018108521A1/fr not_active Ceased
- 2017-11-28 US US16/469,916 patent/US11456491B2/en active Active
- 2017-11-28 EP EP17807832.5A patent/EP3555950B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018108521A1 (fr) | 2018-06-21 |
| EP3336961A1 (fr) | 2018-06-20 |
| US20190363404A1 (en) | 2019-11-28 |
| US11456491B2 (en) | 2022-09-27 |
| EP3555950B1 (fr) | 2021-05-26 |
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